Patent US4572941A successfully refreshed from Google Patents.
US4572941A
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US
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Method of and installation for spot-welding by laser beam
Assignee: Sciaky SAS
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Filing: 1984-06-26
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Granted: 1986-02-25
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Expires: 2004-06-26
Abstract
Abstract A method of spot-welding by laser beam, comprising a laser beam generator (10) and at least one means receiving the laser beam and focusing it on the pieces to be welded.
Inventors
- 👤 Mario Sciaky
- 👤 Roland Cazes
- 👤 Georges Sayegh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:05
CPC Classifications
B; B23; B23K; B23K26/00; B23K26/02; B23K26/06; B23K26/0604; B23K26/0608; B23K26/067; B23K26/08; B23K26/20; B23K26/21; B23K26/22; B23K26/24; B23K26/244
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
53 words
A method of spot-welding by laser beam, comprising generating a laser beam, rotating said beam about an axis parallel to its longitudinal axis, directing said rotated beam onto a static focusing means and directing the point of focus of said rotated beam by said static focusing means onto the objects to be welded.
Claim 2
Independent Claim
53 words
A method of spot-welding by laser beam, comprising generating a laser beam, rotating said beam about an axis parallel to its longitudinal axis, directing said rotated beam onto a static focusing means and directing the point of focus of said rotated beam by said static focusing means onto the objects to be welded.
Claim 3
Dependent Claim
17 words
A method according to claim 1, characterised in that the laser beam is displaced in one plane.
References Cited (Backward Citations)
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JPS5228095A
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JPH0325995A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-02-24 | 1989-08-26 | 1990-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-02-24 | 1993-08-26 | 1994-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-02-24 | 1997-08-26 | 1998-02-25 | $7700.00 | Window Closed / Lapsed |